• Interruptible-restartable instructions and Others
    Hi, As I have found in: Cortex-M0+ Devices Generic User Guide: 2.1.3. Core registers There is information about instruction behaviour during interrupts: "Interruptible-restartable instructions The interruptible...
  • Processor sometimes ignoring WFI instruction
    Hello everyone, I have a problem with WFI instruction and deep sleep mode. Normally everything work correct, but sometimes processor ignore instruction WFI and continue work. I use ARM Cortex-M0+...
  • What will happen if Cortex-M0 fetches 0xFFFF_FFFF as an instruction ?
    Dear Guys,     In typical SoC product, the FLASH memory is initially empty after being shipped from factory, in which the data are all "0xFFFF_FFFF".     I am curious how Cortex-M0 deals with the undefined...
  • Cortex-M0DS Kit computing power and interfacing
    Greeting of the day Hello. My name is Ketan. I've been recently granted access to the design start kit for the Cortex-M0DS processor.I also downloaded some examples design from ARM website which interfaces...
  • Assembler change immediate value of one assembly instruction
    I am using the KEIL MDK-5, assembly. The project compiles without some problems, but when i see the disassembly the assembler change the inmediate value Assembler substitute one instruction for another...